BookmarkSubscribeRSS Feed
rajeshm
Quartz | Level 8

hi,

1.howmany other ways to do the below query?

select height,name from sashelp.class having height=min(height);

2. is below queries performs same?(where/on)

select  * from a,b where a.empid=b.empid

select * from a inner join b on a.empid=b.empid

note: I want to know which is performance wise best. I already put fullstimer,I am getting cputime and os memory but cpu time is showing same

1 REPLY 1
PGStats
Opal | Level 21

Question 2: These two syntaxes are equivalent. SQL queries describe what you want. SQL processors (part of the DBMS) try to find the optimal way of answering your query. Only testing, within your own configuration, will tell you which is best.

PG

PG

sas-innovate-2024.png

Don't miss out on SAS Innovate - Register now for the FREE Livestream!

Can't make it to Vegas? No problem! Watch our general sessions LIVE or on-demand starting April 17th. Hear from SAS execs, best-selling author Adam Grant, Hot Ones host Sean Evans, top tech journalist Kara Swisher, AI expert Cassie Kozyrkov, and the mind-blowing dance crew iLuminate! Plus, get access to over 20 breakout sessions.

 

Register now!

What is Bayesian Analysis?

Learn the difference between classical and Bayesian statistical approaches and see a few PROC examples to perform Bayesian analysis in this video.

Find more tutorials on the SAS Users YouTube channel.

Click image to register for webinarClick image to register for webinar

Classroom Training Available!

Select SAS Training centers are offering in-person courses. View upcoming courses for:

View all other training opportunities.

Discussion stats
  • 1 reply
  • 617 views
  • 0 likes
  • 2 in conversation